Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.51
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -9.44 -0.375 3.54
Prot (kg) -8.62 -0.441 3.80
Fertility Sub Index -16.95
Calving Interval (days) 9.43 -1.459 -13.76
Survival (%) -2.86 1.117 -3.20
Calving Sub Index 1.43
Gestation Length (days) -1.56 -0.919 1.43
Beef Sub Index -0.46
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 5.21 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -8.28

* Based on an €80/tonne carbon price